package com.shop.admin.utils;

import com.auth0.jwt.JWT;
import com.auth0.jwt.JWTCreator;
import com.auth0.jwt.algorithms.Algorithm;
import com.auth0.jwt.interfaces.DecodedJWT;

import java.util.Calendar;
import java.util.Map;

public class jwtUtils {

		private static final String SIGN = "#!FRR@3%?6GR96&&";

		//生成token
		public static String getToken(Map<String, Object> map) {

				Calendar instance = Calendar.getInstance();
				instance.add(Calendar.YEAR, 4);

				JWTCreator.Builder builder = JWT.create();

				map.forEach((k, v) -> {
						builder.withClaim(k, v.toString());
				});

				String token = builder.withExpiresAt(instance.getTime())
								.sign(Algorithm.HMAC256(SIGN));

				return  token;
		}



		//验证token
		public  static DecodedJWT verify(String token){
			return JWT.require(Algorithm.HMAC256(SIGN)).build().verify(token);
		}


}
